#include<iostream>

template <typename T>
void Swap(T &a,T &b);

int main(){
	using namespace std;
	int i=10;
	int j=20;
	cout<<"i, j = "<<i<<", "<<j<<".\n";
	cout<<"Using compiiler-generated int swapper:\n";
	Swap(i,j);
	cout<<"Now i,j = "<<i<<", "<<j<<".\n";
	
	double x=24.5;
	double y=81.7;
	cout<<"x,y = "<<x<<", "<<y<<".\n";
	cout<<"Using compiler-generated double swapper:\n";
	Swap(x,y);
	cout<<"Now x, y = "<<x<<", "<<y<<".\n";
	return 0;
}

template <typename T>
void Swap(T &a,T &b)
{
	T temp;
	temp =a;
	a=b;
	b=temp;
}
